The UNSC reinforcements are attacking a base own by the Covenant located on a cluster of islands connected by an ancient forerunner structure. Assault the base and survive the covenant forces.
Phase 1: Invade the beaches via Pelican, lower the shields and capture the stronghold of the first base.
Phase 2: Steal the oddball from the Covenant and hold it for 1 minute
Phase 3: Enter a cave structure and build a bridge connecting to the other side
Phase 4: Ride the Gondola across to another island while fighting off Covenant reinforcements. When the destination is reached, protect the tank until the time runs out.

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